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kiruha [24]
3 years ago
6

Please help! will give the crown to whoever helps

Mathematics
1 answer:
andrew11 [14]3 years ago
5 0
DEF is congruent to D’E’F’ because DEF is the same shape and size as D’E’F’
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A manager needs to rope off a rectangular section for a private party. The length of the section must be 7.6 meters. The manager
Andrew [12]

Answer:

W\leq 6.4\ m

Step-by-step explanation:

we know that

The perimeter of a rectangle is equal to

P=2(L+W)

we know that

L=7.6\ m

P\leq28\ m

substitute

2(7.6+W)\leq28

solve for W

(7.6+W)\leq14

W\leq14-7.6

W\leq 6.4\ m

5 0
2 years ago
How long will it take Pablo to bike 63 miles if he is biking at a speed of 7 mph?
aalyn [17]

Answer:

It will take Pablo 9 hours

Step-by-step explanation:

63 divided by 7 is 9

7 0
1 year ago
Read 2 more answers
Nola hiked down a trail at a steady rate for 10 minutes. Her change in elevation was −170 feet. Then she continued to hike down
madreJ [45]

Answer: First portion is greater than second portion.

Step-by-step explanation:

Time taken to hiked down a trail = 10 minutes

Change in elevation = (-) 170 feet

Speed is given by

Speed=\frac{Distance}{Time}\\\\Speed=\frac{170}{10}\\\\Speed=17\text{ feet per minute}

Similarly,

Time taken to hiked down a trail = 20 minutes

Change in elevation = (-)220 feet

Speed is given by

Speed=\frac{Distance}{Time}

Speed=\frac{220}{20}\\\\Speed=11\text{ feet per minutes}

So, we can see that first portion of the hike where he hiked down a trail at a steady rate for 10 minutes and her change in elevation was (-) 170 feet, was her rate of change in elevation greater.

<u>As 17 feet per minutes is greater than 11 feet per minutes.</u>


3 0
2 years ago
Use mental math to find the sum.<br><br> 53 + 38
arlik [135]
91 is the answer to your question:)
6 0
3 years ago
Read 2 more answers
A party rental company has chair and tables for rent. The total cost to rent 6 chairs and 2 tables is $20. The total cost to ren
liubo4ka [24]
Based on the problem statement you can write two equations for the cost of tables (t) and chairs (c).
.. 6c +2t = 20
.. 3c +5t = 35

You can solve these by your favorite method to find the costs are
.. chairs cost $1.25
.. tables cost $6.25

_____
My favorite method is to use the graphing calculator at Desmos [dot] com. Many graphing calculators will solve equations like these either directly, graphically, or indirectly using matrix functions. If you want to solve them by "elimination," you can double the second equation and subtract the first to get
.. 8t = 50

4 0
3 years ago
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